Flexible routing and addressing for a next generation IP

ABSTRACT

Due to a limited address space and poor scaling of backbone routing information, the Internet Protocol (IP) is rapidly reaching the end of its useful lifetime. The Simple Internet Protocol Plus (SIPP), a proposed next generation Internet Protocol, solves these problems with larger internet layer addresses. In addition, SIPP provides a number of advanced routing and addressing capabilities including mobility, extended (variable-length) addressing, provider selection, and certain forms of multicast. These capabilities are all achieved through a single mechanism, a generalization of the IP loose source route. We argue that, for reasons of simplicity and evolvability, a single powerful mechanism to achieve a wide range of routing and addressing functions is preferable to having multiple specific mechanisms, one for each function.

REFERENCES

• 1: R. Atk/nson. SIPP Authentication Header. lntemet Draft, work in progress, available via anonymous FTP from ds.intemic.net, April 1994.
• 2: Tony Ballardie , Paul Francis , Jon Crowcroft, Core based trees (CBT), Conference proceedings on Communications architectures, protocols and applications, p.85-95, September 13-17, 1993, San Francisco, California, United States
• 3: S. E. Deering, Multicast routing in internetworks and extended LANs, Symposium proceedings on Communications architectures and protocols, p.55-64, August 16-18, 1988, Stanford, California, United States
• 4: S. Deering. SIP: A Simple lntemet Protocol. IEEE Network, 7(6):16-28, May 1993.
• 5: S. Deering. Simple Intemet Protocol Plus (SIPP) Specification. lntemet Draft, work in progress, available via anonymous FTP from ds.intemicmet, February 1994.
• 6: D. Estrin, S. Hotz, and Y. Rekhter. A Unified Approach to Inter-Domain Routing. Request for Comments 1322, DDN Network Information Center, May 1992.
• 7: P. Francis. A Near-term Architecture for DeployingPip. IEEE Network, 7(6):30-37, May 1993.
• 8: P. Francis. Advanced Routing and Addressing using Generalized Source Routing. Submitted to the Journal of lnternetworking, 1994.
• 9: V. Fuller, T. Li, J. Yu, and K. Varadhan. Classless Interdomain Routing (CIDR): an Address Assignment and Aggregation Strategy. Request For Comments 1519, DDN Network Information Center, September 1993.
• 10: P. Gross and P. Almquist. IESG Deliberations on Routing and Addressing. Request For Comments 1380, DDN Network Information Center, November 1992.
• 11: International Organization for Standardization. End System to intermediate System routeing exchange protocol for use in conjunction with the Protocol for providing the connectionless-mode network service (ISO 8473), ISO 9542, 1988.
• 12: International Organization for Standardization. Protocol for Providing Connectionless-mode Network Service, ISO 8473, 1988.
• 13: J. Ioannidis. Source Routing Experiments. IE~ Mobile-IP Working Group mailing list, July 1992.
• 14: John Ioannidis , Dan Duchamp , Gerald Q. Maguire, Jr., IP-based protocols for mobile internetworking, Proceedings of the conference on Communications architecture & protocols, p.235-245, September 03-06, 1991, Zurich, Switzerland
• 15: D. Katz and P. S. Ford. TUBA: Replacing IP with CLNP. IEEE Network, 7(6):38-47, May 1993.
• 16: D. Mills and R. Woodbum. A Scheme for an Intemet Encapsulation Protocol: Version 1. Request for Comments 1241, DDN Network Information Center, July 1991.
• 17: P. Mockapetris. Domain Names - Concepts and Facilities. Request For Comments 1035, DDN Network Information Center, November 1987.
• 18: J. Postel. IntemetProtocol. RequestFor Comments 791, DDN Network Information Center, September 1981.
• 19: Y. Rekhter. Selecting a Direct Provider. IntemetDraft, workin progress, available via anonymous FTP from ds.intemic~net, April t994.
• 20: Y. Rekhter and C. Perkins. Loose Source Routing for Mobile Hosts. Intemet Draft, work in progress, available via anonymous FTP from ds.intemic~net, February 1994.
• 21: M. Steenstmp. An Architecture for Inter-Domain Policy Routing. Request for Comments 1477, DDN Network Information Center, July 1993.

INDEX TERMS

Primary Classification:
  C. Computer Systems Organization
  C.2 COMPUTER-COMMUNICATION NETWORKS

Additional Classification:
  C. Computer Systems Organization
  C.2 COMPUTER-COMMUNICATION NETWORKS
      C.2.1 Network Architecture and Design

          Nouns: Internet

General Terms:
Design, Performance, Standardization